Hello protect your hand is done in cases where your time at the table players are hardly equaling the big blind either because they do not come out good hands or because they do not want to risk losing more than necessary, then in These situations many tratn to raise 2 or 3 big blinds to steal your obligatory bet, in these cases you can raise your bet by placing it in a complicated situation that makes you bet more than half of your chips, or that you put it in a situation Of you or me going all in, in case you win the duel you will end up with a good stack of chips and better positioned at your table, but eye you must risk as long as you have a hand of category 1,2,3, or 4 , Of course this does not guarantee that we will win but gives a small advantage. I hope you serve luck on the tables.